4 ms·Most likely that it isn't very common. Mine said <0.01% for the Brave user-agent.by trashcan 7y agoMost likely that it isn't very common. Mine said <0.01% for the Brave user-agent.kzrdude 7y agoFirefox developer edition / windows ranks at 0.02% :)Hamuko 7y ago"Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:72.0) Gecko/20100101 Firefox/72.0" (mainline Firefox) is apparently 0.02% as well.